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42929125 = 53343433
BaseRepresentation
bin1010001111000…
…0101111100101
32222210000200121
42203300233211
541442213000
64132041541
71030614541
oct243605745
988700617
1042929125
1122261318
12124632b1
138b80b65
1459b6a21
153b7eb1a
hex28f0be5

42929125 has 8 divisors (see below), whose sum is σ = 53575704. Its totient is φ = 34343200.

The previous prime is 42929123. The next prime is 42929137. The reversal of 42929125 is 52192924.

It can be written as a sum of positive squares in 4 ways, for example, as 10233601 + 32695524 = 3199^2 + 5718^2 .

It is not a de Polignac number, because 42929125 - 21 = 42929123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42929123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171592 + ... + 171841.

It is an arithmetic number, because the mean of its divisors is an integer number (6696963).

Almost surely, 242929125 is an apocalyptic number.

It is an amenable number.

42929125 is a deficient number, since it is larger than the sum of its proper divisors (10646579).

42929125 is an equidigital number, since it uses as much as digits as its factorization.

42929125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343448 (or 343438 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 42929125 is about 6552.0321275159. The cubic root of 42929125 is about 350.1472169805.

The spelling of 42929125 in words is "forty-two million, nine hundred twenty-nine thousand, one hundred twenty-five".

Divisors: 1 5 25 125 343433 1717165 8585825 42929125